Package com.arjuna.ats.internal.arjuna.recovery

Class BasicActionExpiryScanner<T extends BasicAction>

java.lang.Object

com.arjuna.ats.internal.arjuna.recovery.BasicActionExpiryScanner<T>

All Implemented Interfaces:

ExpiryScanner

Direct Known Subclasses:

AdvancedAtomicActionExpiryScanner, AdvancedAtomicActionPurgeExpiryScanner

public abstract class BasicActionExpiryScanner<T extends BasicAction>
extends Object
implements ExpiryScanner

This class is a base class for an ExpiryScanner for expired BasicAction items using creation time to evaluate if items are considered too old. It uses RecoveryEnvironmentBean.expiryScanInterval to calculate expiry time. It does not need the application to run all the time to work since it only needs one successful run that can be run immediately on application startup.

It is very important to know that application downtimes lasting longer than expiry time will lead to immediate item handling before recovery is getting into touch. That might cause corrupting the system!

Constructor Summary

Constructors

Constructor	Description
BasicActionExpiryScanner(T typeInstance, String movedSubFolder)

Method Summary

Modifier and Type	Method	Description
void	scan()	perform a scan
boolean	toBeUsed()	Is this scanner to be used.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

BasicActionExpiryScanner

public BasicActionExpiryScanner(T typeInstance,
 String movedSubFolder)

Method Details

scan

public void scan()

Description copied from interface: ExpiryScanner

perform a scan

Specified by:

scan in interface ExpiryScanner

toBeUsed

public boolean toBeUsed()

Description copied from interface: ExpiryScanner

Is this scanner to be used. (E.g. if zero age means "don't remove", and it has been set to zero, toBeUsed replies false)

Specified by:

toBeUsed in interface ExpiryScanner